assorted warning clean-ups for x86_64, etc (Mikko T.)

progs/demos/Makefile

@@ -127,4 +127,4 @@ osdemo32: osdemo32.c
 clean:
 	-rm -f $(PROGS)
 	-rm -f *.o *~
-	-rm -f readtex.[ch]
+	-rm -f readtex.[ch] showbuffer.[ch]

progs/samples/Makefile

@@ -45,3 +45,4 @@ readtex.o: readtex.c readtex.h
 clean:
 	-rm -f $(PROGS)
 	-rm -f *.o *~
+	-rm -f readtex.c readtex.h

progs/samples/blendxor.c

@@ -14,7 +14,9 @@
 #include <windows.h>
 #endif
 #define GL_GLEXT_LEGACY
+#define GL_GLEXT_PROTOTYPES
 #include <GL/glut.h>
+#include <GL/glext.h>
 
 
 GLenum doubleBuffer;

progs/samples/loadppm.c

@@ -37,7 +37,7 @@ static PPMImage *LoadPPM(const char *filename)
 	exit(1);
     }
 
-    if (fscanf(fp, "%d %d", &result->sizeX, &result->sizeY) != 2)
+    if (fscanf(fp, "%lu %lu", &result->sizeX, &result->sizeY) != 2)
     {
 	fprintf(stderr, "Error loading image `%s'\n", filename);
 	exit(1);

progs/xdemos/glxgears_fbconfig.c

@@ -360,19 +360,19 @@ init_fbconfig_functions(Display *dpy, int scrnum)
 
    if ( glx_1_3_supported ) {
       choose_fbconfig = (PFNGLXCHOOSEFBCONFIGSGIXPROC) glXGetProcAddressARB( 
-		(GLbyte *) "glXChooseFBConfig");
+		(GLubyte *) "glXChooseFBConfig");
       get_visual_from_fbconfig = (PFNGLXGETVISUALFROMFBCONFIGSGIXPROC) glXGetProcAddressARB( 
-		(GLbyte *) "glXGetVisualFromFBConfig");
+		(GLubyte *) "glXGetVisualFromFBConfig");
       create_new_context = (PFNGLXCREATECONTEXTWITHCONFIGSGIXPROC) glXGetProcAddressARB(
-		(GLbyte *) "glXCreateNewContext");
+		(GLubyte *) "glXCreateNewContext");
    }
    else if ( ext_version_supported ) {
       choose_fbconfig = (PFNGLXCHOOSEFBCONFIGSGIXPROC) glXGetProcAddressARB( 
-		(GLbyte *) "glXChooseFBConfigSGIX");
+		(GLubyte *) "glXChooseFBConfigSGIX");
       get_visual_from_fbconfig = (PFNGLXGETVISUALFROMFBCONFIGSGIXPROC) glXGetProcAddressARB( 
-		(GLbyte *) "glXGetVisualFromFBConfigSGIX");
+		(GLubyte *) "glXGetVisualFromFBConfigSGIX");
       create_new_context = (PFNGLXCREATECONTEXTWITHCONFIGSGIXPROC) glXGetProcAddressARB(
-		(GLbyte *) "glXCreateContextWithConfigSGIX");
+		(GLubyte *) "glXCreateContextWithConfigSGIX");
    }
    else {
       printf( "This demo requires either GLX 1.3 or %s be supported.\n",